40 	char *addr;  in sense_support()  local
43 	addr = mmap(0, pagesize, PROT_READ | PROT_WRITE,  in sense_support()
45 	if (!addr)  in sense_support()
48 	ret = madvise(addr, pagesize, MADV_POPULATE_READ);  in sense_support()
52 	ret = madvise(addr, pagesize, MADV_POPULATE_WRITE);  in sense_support()
56 	munmap(addr, pagesize);  in sense_support()
61 	char *addr;  in test_prot_read()  local
66 	addr = mmap(0, SIZE, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_read()
67 	if (addr == MAP_FAILED)  in test_prot_read()
70 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_read()
73 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_read()
77 	munmap(addr, SIZE);  in test_prot_read()
82 	char *addr;  in test_prot_write()  local
87 	addr = mmap(0, SIZE, PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_write()
88 	if (addr == MAP_FAILED)  in test_prot_write()
91 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_write()
95 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_write()
98 	munmap(addr, SIZE);  in test_prot_write()
103 	char *addr;  in test_holes()  local
108 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_holes()
110 	if (addr == MAP_FAILED)  in test_holes()
112 	ret = munmap(addr + pagesize, pagesize);  in test_holes()
117 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_holes()
120 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_holes()
125 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_READ);  in test_holes()
128 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_WRITE);  in test_holes()
133 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_READ);  in test_holes()
136 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_WRITE);  in test_holes()
140 	munmap(addr, SIZE);  in test_holes()
173 	char *addr;  in test_populate_read()  local
178 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_read()
180 	if (addr == MAP_FAILED)  in test_populate_read()
182 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_read()
185 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_populate_read()
187 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_read()
190 	munmap(addr, SIZE);  in test_populate_read()
195 	char *addr;  in test_populate_write()  local
200 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_write()
202 	if (addr == MAP_FAILED)  in test_populate_write()
204 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_write()
207 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_populate_write()
209 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_write()
212 	munmap(addr, SIZE);  in test_populate_write()
245 	char *addr;  in test_softdirty()  local
250 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_softdirty()
252 	if (addr == MAP_FAILED)  in test_softdirty()
257 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
261 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_softdirty()
263 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
267 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_softdirty()
269 	ksft_test_result(range_is_softdirty(addr, SIZE),  in test_softdirty()
272 	munmap(addr, SIZE);  in test_softdirty()